CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 5 engines!
5 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1097085 games played by 2561 programs, run by 23 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern CPU.
Computed on November 8, 2019 with Bayeselo based on 1'097'085 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Lozza 1.18 64-bit                  2468  +16  -16  47.6%  +16.8  1295
  Lozza 1.17a 64-bit                 2443  +18  -17  48.1%  +11.3  1113
  Lozza 1.16 64-bit                  2397  +25  -25  49.0%   +8.0   526
  Lozza 1.15 64-bit                  2346  +25  -25  52.4%  -16.4   530
  Lozza 1.14a 64-bit                 2247  +28  -29  46.8%  +24.8   434

Created in 2005-2013 by CCRL team
Last games added on November 8, 2019